CN1255209A - Method and system for networked installation of uniquely customized, authenticable and traceable software applications - Google Patents
Method and system for networked installation of uniquely customized, authenticable and traceable software applications Download PDFInfo
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Abstract
A method to create, distribute and install on an installation computer a uniquely customized instance of a software application that is authenticable and traceable to a particular user. A secure distribution agent resident on a distribution computer collects identifying information, and calculates a cryptographic signature of the software application and identifying information. The identifying information and cryptographic signature are embedded in the software application by the secure distribution agent. A user installation agent resident on the installation computer manages the installation of the software application with embedded data on the installation computer. Prior to installation, the user installation agent may use the cryptographic signature to verify that the software application, and the identifying information are authentic and have not been tampered with.
Description
The present invention relates to a kind of method and system, it carries out each user is electronic marketing and installation unique customization, legal and software application tracking to the user by network.
Along with such as the online computer environment of the Internet growing importance and reliability, sell the importance that (ESD) presents to be increased day by day as the electronic software of a kind of means of using to user's selling software.The online facility of current existence allows the user to order under the software that needn't physically pay compression packing and install software is used.Typically, the preparation of the software publishing chamber of commerce is used for the key plate of the software application of electronic marketing.Then the order of this software application is bought in the online proposition of user, and publisher receives and fulfil order.User's download software application and being installed on its oneself the computing machine then.
Shortcoming in the existing online facility is, the software application of paying to the user in form and the software application that from retail trader and products catalogue, obtains just the same.Lack encipherment protection, the user is the sale version of mutual shareware freely.
Even there is encipherment protection because all users have identical software application copy (must have identical cipher mode), bootlegging may be quite big.Have in the situation of single elementary solution key at all, wherein insert this decryption key (or its equivalent) by the user mostly, thereby this user can utilize this key to obtain the user's shareware without many uses of this program is used with other.Exist now and be exclusively used in the bulletin board and the site, the Internet of sharing these decryption keys, the crowd's that not paying of program used visit is expected by those in these places by the decryption key of applying for the application program that they obtain separately.
In addition, although in software application, be provided with more crisscross anti-pirate method, but software " hacker " generation " decoding " program is of common occurrence, utilizes program version such routine processes distributed for free, that function is limited can generate the global function revision that needn't buy usufructuary this program.For the master-hand who uses " revealed secrets " working solution decryption key simply, also be of no avail even adopt the most exquisite different single key form (can relate to disposable response) of a large amount of distributions for dynamically attempting this form of key derivation.Although this " revealed secrets " relates to more technical complexity compared with above-mentioned shared key, on the distribution channel be very similar to may influencing of product income.
In addition, the software application by conventional ESD technical selling does not provide their integralities separately of any protection to prevent the unauthorized means of altering.
Portland software company produces a kind of with ZipLock
TMThe electronic software marketing system that trade mark is sold, this system in package is used at the software that carries out electronic marketing on the Internet.ZipLock
TMBut system discloses the system that a kind of standard executive software that is protected by cryptographic key to the client's sale that resides on the user's computer from security server is used.The data of user input are sent to security server and are used to make up a customization digital license that sends to the user by computer documents independently.ZipLock
TMThe mechanism that system did not both provide detection that but the executive software application itself is altered, nor can follow the tracks of this software application unauthorizedly sail again mid-sales and whether comprise digital license.
Prior art discloses some and has been used to prevent other system and method for illegally being used to the software that user's electronic is sold.In 5,509, No. 074 patent of the U.S. of Choudhury, a kind of method of utilizing cipher protocol protection electronic distribution material is disclosed.The first illustrated embodiment needs specialized hardware, so that to sending to user's document deciphering.This has limited the widespread use of this method on the employed personal computer of masses.In the second approach, do not need specialized hardware.In the method, the publisher revises the line spacing of document or word space so that every part of document is unique for each user.Encrypt unique document then and be sent on the user's computer.In case receive encrypted document, user's computer can point out the user to import its privacy key, and this key is used to separate confidential document and reads for sight.This piece document disclosed method can not prevent piracy, and just going out the user by available pirate document tracking hinders copy right piracy for it.In addition, the document only is fit to data file, can not protect the executable file of any kind.
In 5,416, No. 840 patents of the U.S. of Cane, disclosed, for example the method and system that the protection computer program is sold on radio frequency common broadcast or the computer network a kind of being used at broadcast medium.In this piece document, this method relates to encrypts a part of computer program at least, thereby provides a password that is used to decipher this computer program can install and use this computer program to the user.Generate and transmit a unique password, for the selected software program that is used on the decrypt media subsequently being held to the user.Can not be although it discloses a kind of generation, transmission and uses by the method and system of the shared unique password of the different user of software application, the document requires the user to have proprietary hardware, and this has limited the widespread use that utilizes the popular personal computer that is had.
In No. 5,586,186, the United States Patent (USP) of Yuval, a kind of method and system that is used to control to the unauthorized access of the software of being sold to the user is disclosed.The main member of this system is an encryption equipment, a user key generator and a deciphering machine.Encryption equipment generates encryption key and decruption key, stores on the broadcast medium such as CDROM with encryption keys software and the encrypted form of software.The user key generator utilizes the numeral expression and the decruption key of the identifying information that the user provides to generate unique key.Deciphering machine is responsible for utilizing the identifying information that the user provides and the encrypted form of unique user key decryption software.The disclosed decryption method of the document allows a large amount of different but similar in logic key is used as decruption key, and each decruption key wherein is unique for certain specific user.Yet, be used to utilize user-defined data customization software application can differentiate the means of software application itself thereby this piece document is unexposed.In addition, the document can not prevent that it only hinders pirate by following the tracks of key by sharing the copy right piracy of key.
The present invention is with a kind of relevant to the method that computing machine electronic marketing software application is installed from distributing computer, the method comprising the steps of: receive identifying information at described distributing computer, at described distributing computer described identifying information is embedded in the described software application to form discernible software application, for described discernible software application generates the password signature, but the signature of described password be embedded into described identification software use in forming discernible and software application that can verify, and discerniblely be sent to described installation computing machine described with software application that can verify from described distributing computer.
Method and system of the present invention discloses a kind of software customized, transmission and mounting means under online.No longer be to use to user's selling software installing to install under the similar fully executable file that can not follow the tracks of on the computing machine, method and system disclosed herein disclose a kind of foundation, distribution and in the means that can verify the specific user and the unique customization part traceable software application of installation on the computing machine is installed.
Method and system disclosed herein is to reside in the user installation agent (UIA) of installing on the computing machine to provide by distribution channel for distribution and the safe sale agent (SDA) that resides on the sales computer and connect.UIA and/or SDA prompting user imports identifying information, and this identifying information and relevant business information one such as license terms are used from foundation and are embedded into unique data collection in the required software application by SDA.By utilizing cryptographic Hash algorithms and special use/Public key cryptology (wherein private key is only known by SDA), calculate the password signature of required software application and embedding data set, and the password signature is embedded in the software application.Send to and be installed on the installation computing machine having the software application that embeds data and password signature by distribution channel for distribution.Randomly, the installation computing machine can utilize the password signature to examine software application and embed data and all do not altered.Can to being installed, computing machine send the Public key (group) that is used for the clear crytpographic key signature together or by other means such as E-mail, the Internet bulletin board etc. with software application.After installation, use in every way to embed data and password signature, for example, a kind of means of following the tracks of the user of software application are provided, and the lasting globality that management software is used guarantees to continue to keep License Status, carry out virus checking, perhaps automatically software application itself is upgraded.
Fig. 1 is the block diagram of system survey, so that each input and the member of system and method for the present invention to be shown;
Fig. 2 is the structure and the service data flow graph of secure distribution agent of the present invention;
Fig. 3 A is a block diagram, and expression utilizes the CONSTRUCTED SPECIFICATION of the set distribution of document of single step Cipher Processing;
Fig. 3 B is a block diagram, and expression utilizes the CONSTRUCTED SPECIFICATION of the set distribution of document of two step Cipher Processing;
Fig. 3 C is a block diagram, and expression utilizes the CONSTRUCTED SPECIFICATION of set distribution of document of Cipher Processing of a kind of modification of the two step Cipher Processing shown in Fig. 3 B;
Fig. 4 is the structure of the user installation agent that adopts of the present invention and the block diagram of operation;
Fig. 5 is a block diagram, and the means that embed data are extracted and verified to expression from mounted distribution of document;
Fig. 6 is the process flow diagram of the first embodiment of the present invention, and this embodiment embeds data by the public encryption key checking;
Fig. 7 is the process flow diagram of the second embodiment of the present invention, and this embodiment embeds data by each user's unique password key authentication; And,
Fig. 8 is a block diagram, and expression sends to the various uses of the software application after user's the installation by the present invention.
Fig. 1 represents the various inputs and the member of system and method for the present invention.On behalf of electronic software, top layer sell (ESD) rear end member 10, it comprises software switching station, software marker, publisher, credit service merchant etc., they all exchange with the secure distribution agent (SDA) 100 that resides on the distributing computer, and distributing computer constitutes essential part of the present invention.By the Internet or specific computer network, SDA100 and each ESD rear end member 10 interface with the method for payment support is provided, from publisher's software application or the like of packing into.Do not influencing under the method and system of the present invention, can change the definite feature of ESD rear end member 10.
SDA100 is made of the collaboration software programming system that security context moves down.Need only its secret of guaranteeing user data, guarantee user and other possible third-party checking and appropriately limit external reference in operation, the characteristic of security context is unessential for the present invention.Physically this environment can with or discord computing machine be installed separated.In Fig. 2, illustrate in greater detail structure and the operation of SDA100.
One of input of SDA100 is the set of databases 20 of the software application supported, license terms, permitted user etc.Before operation the present invention and among, SDA100 is right/send and receive relevant data from set of databases 20.The definite feature of set of databases 20 and content are not intrinsic propestieses of the present invention.
Distribution channel for distribution 300 shown in Fig. 1 can be made of the computer network such as the Internet or dedicated network, perhaps if SDA100 very near user installation agent (UIA) 200 o'clock by for keeping a required safe floor of safety to constitute.Select ground fully, it can comprise certain combination of these assemblies.Distribution channel for distribution 300 is used to connect UIA200 and SDA100 (thereby be connected distributing computer and computing machine is installed), so as between these two agencies exchange message, and so that a set distribution of document 170 (shown in Fig. 2) is distributed on the UIA200 from SDA100.Although distribution channel for distribution 300 is shown between SDA100 and UIA200, system of the present invention does not also require that SDA100 is physically away from UIA200.
The user side place is UIA200, and UIA200 resides in an installation/auto-update software program of installing on the computing machine.This program is used for communicating by letter with SDA100 by distribution channel for distribution 300, and is used for the action required that execution is described in more detail later on the computing machine is being installed.Although each software application of supporting needs a UIA200 usually, the insider knows UIA200 that can support a plurality of software application of exploitation.The distribution form 30 of UIA200 also is shown among Fig. 1, and it is comprising each support file.For operation of the present invention, the feature of the distribution form 30 of UIA200 is unessential.Can adopt in CD ROM, world wide web (www) download, the floppy disk etc. any.
UIA200 receives the data 32 of user's input, such as name, address, payment selection etc. and with receive the relevant data of final user's licence.Also can be to the UIA200 input for the environment sensitive data of handling 34, such as the speed of CPU, the size of hard disk, speed of modulator-demodular unit or the like.The identifying information that UIA200 handles can comprise information such as any relevant buyer, dealer, installation agent, date, sequence number, licence explanation.These data can be used for automatically registering required software application and buyer or its merchant agent.
As described above, recognition data 32,34 formations and relevant identifying informations such as user, its computing machine.UIA200 processing and identification data 32,34 also are sent to SDA100 by distribution channel for distribution.Will of course be appreciated that, need not send to SDA100 to identifying information by distribution channel for distribution 300.For example, can be input to identifying information among the SDA100 by oral, written or other non-electronics mode in this locality.SDA100 the data combination of storage in identifying information 32,34 and the set of databases 20 get up with produce for the user be unique customization, that can verify and traceable set distribution of document 170.By distribution channel for distribution 300 set distribution of document 170 is sent to UIA200.From the output of UIA200 is that unique customized software is used 15 (hereinafter referred to as " the set distributions of document that are mounted "), and it is installed on the installation computing machine and has the identifying information that is embedded in wherein.
Though the individual consumer that " user " is mounted in the software application 15 on the personal computer is inferred in explanation of the present invention, the insider can understand and present invention may also be run under the networking final user environment, and wherein " user " is responsible for software is installed in the network manager who uses for some final users on the central server.
Fig. 2 is the structure of SDA100 of the present invention and the data flow diagram of operation.It is an input of converse routine 110 that original distribution of document 130 is shown as.In the enforcement of the imagination, original distribution of document 130 is input to SDA100 by the set of databases shown in Fig. 1 20.Original distribution of document 130 should be understood that and to be input to SDA100 to original distribution of document 130 by set of databases 20, because may reside on the distributing computer that is comprising SDA100.Converse routine 110 has the data 140 in the distribution of document 130 of will being embedded into as another input, and has required public/private cryptographic key to 150.Embed data 140 and generate by user interactions program 120, user interactions program 120 by UIA200 and user interactions so that receive recognition data 32,34 (shown in Fig. 1) and from the data of set of databases 20 support software application, license terms, permitted user.
Can be any form and any content although embed data 140, estimate to embed data 140 and will comprise the information that can trace into software application 15 unique user and licence execution.For example, embed data 140 and can comprise a unique sequence number, it is used to discern the set distribution of document 170 that is distributed to the user.This can eliminate the swindle of sequence number common in the software industry, and wherein existing software application can only be carried out simple validity check, and this inspection can by single ordered sequence widely number deceive people repeatedly use cheat.Embedding data 140 can be taked the form into the complete licensing agreement of each customization, comprising address name, address, software sequence number, license terms or the like.Can preserve the user profile record that user interactions program 120 is collected by set of databases 20.
The output of converse routine 110 is set distributions of document 170, and the latter had both comprised original distribution of document 130, embedded the content of data 140, also comprises the password signature that embeds data 140 and original distribution of document 130.Then, by distribution channel for distribution 300 set distribution of document 170 is sent to UIA200.UIA200 then is installed to set distribution of document 170 and installs on the computing machine.In case set distribution of document 170 has been installed, it takes to install the form of set distribution of document 15.
By being connected of itself and UIA200, SDA100 can consult arbitrarily license terms, show end-user license agreement (EULA), confirm to the acceptance of this agreement and according to user identity of having set up and the concrete license terms online registration of executive software automatically with the user.For commercial and jural consideration, for example, SDA100 can propose different quotation clause and license terms to the user of country variant, and the different versions carried out may be provided.In addition, can provide different quotations according to attribute such as CPU ability that computing machine is installed.
Determining that address that the user proposes and credit number are effective, compatible and are positioned on the function of given geometric areas and do not require that SDA100 is intelligent.These functions can be realized by the high-rise ESD member shown in Fig. 1 10.
Fig. 3 A illustrates in greater detail the process that makes up set distribution of document 170.For purposes of illustration, suppose the dissimilar interior zone that the structure of original distribution of document 130 comprises heading message and is used for code, static data etc., such as Windows
TM' PortableExecutable ' (PE) program file.General insider can understand, and method and system of the present invention can be used some different file layouts.Similarly, it is computer documents that the output 170 of the input 140,151 of converse routine 110 and converse routine 110 is shown as, but they can be image in the storer, from stream of other processor or the like.
The following describes the typical step sequence of the structure set distribution of document of being undertaken by SDA100 170.
1. judge the result's (that is, be authorized for dispatch according to certain specific collection distribution of document 170 of method of the present invention, and made up required embedding data block 140) who needs conversion, operation converse routine 110 as user interactions program 120.Carry out all subsequent steps unless make other indication converse routine 110.
Its objective is to obtain alleged " digital signature " or " password signature " usually, it has two aspects in essence:
(i) by utilizing cryptographic Hash algorithms, the password fingerprint of generation and data " ed " 130,140 unique correspondences; And
(ii) by protecting the password fingerprint with a private key encryption; thereby can confirm that to the recipient of password fingerprint data " ed " 130,140 do not suffer damage by utilizing Public key and cryptographic algorithm; and wherein do not need to have the ability that generates new key fingerprint, nor can change data colorably.
Be absolutely necessary for reaching these two steps of advantage of the present invention, because there are not these two step third parties can under the situation that the recipient can not discover, intervene or change data.This process is different from enciphered data 130,140 simply, and such method is not enough for operation of the present invention, does not change data the 130, the 140th colorably because it does not exist, the method that can be discovered.
2. the I/O logical circuit 111 of converse routine data 140 of reading in required original distribution of document 130, its corresponding cryptography private key 151 and will embed.Although converse routine 110 does not require, can import a Public key 152 into so that it is added in the set distribution of document 130.Utilize cryptographic Hash algorithms 112 and public-private key (PPK) cryptographic algorithm 113, generate password signature 174.The basic step of this processing is:
2.1 impose one-way hash function " hf " to generate password signature " edh ", i.e. edh=hf (ed) to data " ed " 130,140.To this password fingerprint require as follows: (i) it produces a rational compression result, be length (edh)＜＜length (ed), and be preferably the fixed length result, (ii) fingerprint itself can not be used for determining original data block back, that is, do not have anti-hash function " bhf " thus bhf (edh)=ed; (iii) it is responsive especially to the change in " ed "; That is, the change of the single position in " ed " can change in " edh " about 50% position, and (iv) construct a vacation embedding data block " fed " its can generate the fingerprint the same with " ed ", promptly hf (ed)=hf (fed) is very difficult.Exist some algorithms that satisfy these requirements, for example MD5 (message digest 5) and SHA (Secure Hash Algorithm).The present invention also can adopt other also can satisfy the algorithm of above-mentioned criterion.
2.2 utilize private key 151 " prk " and public/private encryption function " ppef " Crypted password fingerprint " edh " to generate password signature " edf " 174, that is: edf=ppef (prk, edh).To encryption function " ppef " require as follows: (i) result of its generation is not obvious greater than its input; (ii) it protects short relatively data set effectively, because " edh " is some byte longs rather than thousands of byte long; Can not utilize Public key 151 (" puk ") and password signature " edf " 174 on (iii) calculating or utilize a plurality of examples (can on the installation computing machine, see them) of " edf " 174 to derive private key " prk ", promptly, do not exist and make puk=cf (edf, decoding function " cf " puk); The two does not exist the utilization " prk " that can find out to duplicate the means of the behavior of " ppef " down (iv) not have " ppef " and " prk " actually.In principle, can derive " ppef " from its corresponding decryption function, thereby " prk " is important secret in actual range; (v) its corresponding Public key decryption function " ppdf " is installed on the computing machine the typical case and is had acceptable performance for file associated length.Note that if for security reasons select to produce acceptable can specific ppef/ppdf, can only encrypt and still can provide identical benefit a part that selects files; (vi) it is to this field, and promptly digital signature is (best, by conventional cryptanalysis) that is suitable for.There are some algorithms that satisfy these requirements, for example the algorithm of RSA and Rabin and ElGamal.Carefully select to implement parameter and can help to obtain required security and performance.
3. being inserted in the original distribution of document 130 to generate set distribution of document 170 from the password signature 174 of step 2.1 and the data 140 that will embed.This insertion is not the centre that simply each is copied to file, because it must be obedient to the call format of particular file types.For example, more new title with identification new data or the like.
System and method of the present invention does not require that embedding data 171 or password signature 174 are positioned in the set distribution of document 170 with any ad hoc fashion.Neededly be: the software on the computing machine (i) is installed, especially in UIA200, can locate and embed data 171 and password signature 174, and after (ii) on being installed to the installation computing machine, gathering distribution of document 170 and can carry out its intended function; For example, if it is an executable file, it still meets structural requirement and other platform requirement, installs on the computing machine and operation thereon thereby it is encased in can resembling before the conversion process.For example, if file is with the general format of the existing computing machine that contains the special microprocessor of English and is to move converse routine 110 should check " title " section of original distribution of document 130 is to judge whether there is the section that comprises static data so that avoid containing the section of executable code under the Windows of Microsoft.The static data section should be selected, and the appropriate location that the user embeds data block 171 and password signature 174 should be found out or set up.For example, this can so carry out: determine that (i) existing static data piece has the untapped capacity that is enough to increase these data, (ii) distribute new static data piece, perhaps (iii) expansion has the static data piece now.
Method shown in Fig. 3 A discloses a kind of single step and handles, and wherein is that original distribution of document 130 and embedding data 140 are determined passwords signature 174.A kind of going on foot for selecting method employing two shown in Fig. 3 B handled, and the same algorithm that illustrates in the step 2 above wherein utilizing at first generates the password signature 172 of embedding data 171.Then again this embedding data cryptogram signature 172 is embedded in the original distribution of document 130.Then original distribution of document 130, embed data 171 and embed data cryptogram signature 172 and be input to the second password step, above in this step, adopting in the step 2 the same algorithm of explanation determine that overall password signs 176.The benefit that two steps handle is that it has increased system and method checking of the present invention and has detected the ability of altering that installed software on the installation computing machine is used.For example, can be two passwords signature 172,176 and provide that independently the password public/private key is right.In addition, even original file content 173a, 173b are destroyed, two steps handle and still can extract and verify embedding data 171.
The possible alternative of utilizing two another kinds that go on foot a kind of modification of Cipher Processing to make up set distribution of document 170 is at first only to obtain first password signature 175 with original file content 173a, 173b, and obtain second password signature 172 with embedding data 171.This is shown in Fig. 3 C.This method has all advantages of the two step processing shown in Fig. 3 B, and allows individual authentication to embed data 171 and original file content 173a, 173b.This original distribution of document 130 that allows the user to confirm that the publisher provides is not changed by online installation processing disclosed in this invention.
General insider will appreciate that, needn't utilize identical password public/private key to or even must not utilize identical key algorithm to produce any password signature 172,174,175,176 shown in Fig. 3 A, 3B and the 3C.In addition, needn't at every turn to the distribution of document 170 of user's distribution set the time, calculate password signature 172,174,175,176.SDA100 can keep a part precomputation signature database to accelerate relevant calculation.Can use and cryptographic hardware support that the computing machine place obtain such as RSA coprocessor to be installed to obtain the good response under the maximum security.In addition, needn't integrally make up set distribution of document 170 by SDA100.Necessary just can integrally send set distribution of document 170 by UIA200.
Fig. 4 illustrates structure and the operation of UIA200, but UIA200 comprises that index 204 is installed in transition, input file collection 205 and the intrinsic software program for execution 203 of UIA are installed in transition.The insider can understand, and has the method for many enforcement UIA programs 203.Since functional pith of UIA200 relate to user interactions and and the dialogue of SDA100, the choice of implementing UIA200 comprises makes it become the adjunct of world wide web (www) browser, perhaps it is embodied as a stand-alone program, this stand-alone program embeds or calls existing browser capabilities on the installation computing machine.
The following describes the typical execution sequence of UIA200:
UIA program 203 with and number of support according to 204,205 copy to install on the computing machine after, the user moves UIA program 203.Please note also UIA program 203 can remotely be installed, for example send into active program in the browser frames by www server.Unless propose in addition, all subsequent steps are carried out by UIA program 203.
2. computing machine is installed to be read and index 204 is installed and input file collection 205 is installed to determine and required software application (being called " the set distribution of document that is mounted ") 15 corresponding specific default SDA100 are installed.
3. check and computing machine is installed to be identified for setting up the appropriate device of communicating by letter with SDA100, for example, the existence of TCP/IP network interface, modulator-demodular unit etc.If can not find such device, program helps the user to search the parameter of suitable work for choosing ground, gives a warning down then and stops.This is owing to the visit to SDA100 is absolutely necessary for operation of the present invention.
4. use from the default data of above-mentioned steps (2) and (3) prompting user 1, promptly tell UIA program 203 to search required SDA100 wherein and on the distribution channel for distribution 300 of which kind of type.Change the chance of this information for then user 1, or (for example for business reason, possible certain SDA has changed name or position), or (for example for technical reason, the user does not have the TCP/IP connection of working and wishes to use direct modem links, may pass through 800 free call numbers.)
5. by distribution channel for distribution 300,203 foundation of UIA program and SDA100 contact.If can not realize, the UIA program gives a warning and stops after the parameter of determining suitably work for choosing ground help user.Although the security for operation distribution channel for distribution 300 of the present invention is chosen wantonly, expectation distribution channel for distribution 300 can be supported the agreement that suitable protection SDA100 is not swindled.Support the common protocol of mandate and privacy, for example secure socket layer (ssl) is appropriate available.
6.UIA program 203 is served as the intermediary between user and the SDA100, makes the user determine that SDA100 gathers the legal agreements that distribution of document 15 can be supported for required being mounted.But also having, the UIA program judges whether the using system resource that computing machine is installed satisfies the required ability that is mounted the requirement of set distribution of document 15.
For to user's content displayed, there is not technical restriction in the problem that the user may propose and various selections on the data that computing machine may collect etc. are installed.Become to go through data acquisition, data embedding, software dispatch and software installation processing because SDA100 moves, system and method for the present invention can even not adopt various other passwords of level under user notification cryptographic key or any information that they can deduce.These are different with other electronics transmitting system, and they typically need off line input one after the other, privacy key or derive to obtain, and give the user thereby leak significantly.Certainly, the Public key that uses in the checking of password signature is an exception, and the user can determine Public key easily, but owing to can not rogue use them, it is not a safety problem.
7. supposition user 1 satisfies all criterions that SDA100 proposes, and the concrete file set that SDA100 will determine to send to UIA200 comprises a set distribution of document 170 (shown in Fig. 3 A-3C) especially at least to finish the installation of installing on the computing machine.For system and method for the present invention, how the essence of the agreement of reaching between user 1 and the SDA100 or agreement come into force is unessential.This by SDA100 with and towards business system (if exist) be responsible for.The most important thing is that UIA200 is not and itself can not determine whether reach an agreement between user and SDA100.Except by and SDA100 mutual, UIA200 is not and should not visit all and finish the required information of installing.
8.SDA100 send the index of required distribution of document to ULA200 by distribution channel for distribution 300.UIA200 utilizes local index that this index enlarges himself to be configured for the complete index of installation on the horizon.
9.SDA100 make up one or more set distributions of document 170 and the required file of any other installation, and these files sent to UIA200 through distribution channel for distribution 300.
12. if mistake occurs, UIA program 203 can notify SDA100 to restart installation.If mistake do not occur, UIA program 203 notice SDA100 have received all desired datas.This should for example be used as the trigger pip of SDA100 to carry out financial transaction.The latter half that financial matters is placed on processing can make the possibility of just the user not being charged under successfully install software is used become minimum, and this has reduced a kind of reason that the user baffles.
May be placed on the transition file installed in the computing machine, index or the like 13.UIA program 203 deletion is any.
14.UIA being connected and withdrawing from of program 203 disconnections and SDA100, distribution channel for distribution 300.
In case finished the proof procedure of the confession selecting for use that further describes later, the user then can install the set distribution of document 15 that operation is mounted on the computing machine.Should be understood that and before or after finishing installation, to carry out the proof procedure that illustrates later.
Method and system of the present invention should reduce by buying the controversial issue that good software fails and installs and cause.If enough resources that computing machine does not have the required software application of operation are installed, UIA200 can detect and warned the user before making any financial transaction.In addition, can finish the final finance agreement that the user buys software application after processing is installed, installation itself is that failed probability can be very low thereby financial transaction is successful.
General insider will appreciate that, can distribute UIA200 to the user with form of medium large-scale production and that comprising original distribution of document 130, perhaps from single part copy singly can not be subjected to success deceive people derive UIA200 under re-using.In this case, SDA100 only sends its structure set distribution of document 170 and finishes the required increment information of installation to UIA200.Comprise incomplete executable file collection by the distribution form of guaranteeing UIA200, thereby be on the installation computing machine, to carry out and to defeat the attempt of any pirate print software application from the master data of SDA100.
Fig. 5 represents from set distribution of document 15 checkings that are mounted and extracts user data and do not altered so that confirm original file content 173a, 173b and embed data 171.The user chooses wantonly for this step of operation of the present invention, because can move the set distribution of document 15 that is mounted under not verifying.Should be understood that the proof procedure that the following describes can carry out before or after finishing installation.If before installing on the installation computing machine, verify, then UIA203 pair set distribution of document 170, rather than, carry out following process to mounted set distribution of document.
Processing shown in Fig. 5 be with utilize that the two steps shown in Fig. 3 B handle that set distribution of document 15 is installed is relevant.To from the principle of set distribution of document 15 checkings being installed and extracting user data of utilizing that the modification single step Cipher Processing structure shown in Fig. 3 A or that utilize the two steps shown in Fig. 3 C to handle make up with following illustrated identical, but to make suitable modification according to the characteristic of the cryptographic key that will compare.
Although independently checking and read routine 400 are carried out checking and are read the function that embeds data 171 to illustrate one, the insider will appreciate that, these functions not necessarily will realize in this independently program, but can with other program, pack into software, reproducer etc. of UIA200, licence scrutiny program, virus checker, program for example, function combine.The following describes the typical execution sequence of checking and read routine 400:
1. or by the user or by calling runtime verification and read routine 400 automatically such as other program of UIA200.Unless otherwise noted, following step is all carried out by checking and read routine 400.
2. or by the prompting user or by UIA200 transmit as parameter, which judgement will be handled set distribution of document 15 has been installed.Also judgement (if can derive from particular implementation, this is comprising difference in file itself) has been installed set distribution of document 15 to this can use for which specific Public key 152.
3. open the set distribution of document of being studied 15 of installation and check its satisfied call format of using.For example, certain given realization may be supported Intel
TMCarry out (EXE) and dynamic link library (DLL) file under ' PE ' form of processor.Distribution of document 15 fails in these and checks substantially maybe and can not find if this has installed set, and checking and read routine 400 send suitable warning and stop.
4. the inspection file is to determine the position of total password signature 176, embedding data cryptogram signature 172 and embedding data 171.Can format in every way and set distribution of document 15 is installed, for example in file title, comprise the pointer that points to these sections to support and to determine.If be (that is, Public key 152 comprises hereof, and and definite different) that is suitable for, search and extract required Public key 152 by checking and read routine 400 in this specific implementation.
If above-mentioned arbitrary step failure, the failure under suitably alarming of checking and read routine 400.
5. utilize Public key 152 that total password signature 176 is decrypted into not encrypted form 176a (the long-range total fingerprint after the deciphering).
6. utilize the identical known password signature algorithm that adopts with SDA100, calculate the local version 176b (total fingerprint that calculate this locality) of total password signature.This calculating must exclude total password signature 176 self, and promptly topped all parts that set distribution of document 15 is installed except that 176 are so that the local total fingerprint 176b that calculates and himself are irrelevant.
7. the long-range total fingerprint 176a after total fingerprint 176b of this locality calculating and the deciphering is compared.If their differences, checking and read routine are in the mounted set distribution of document 15 destroyed failures down of warning.This moment, UIA200 can be called to contact with SDA100 to obtain mounted set distribution of document 15 once more.
8. extract to embed data 171, if program is by the figure ground that the user calls embedding data 171 to be presented to the user, if then send the caller routine to the message form by software transfer.
9. utilize Public key 152 to be decrypted into its not encrypted form 172a (the long-range embedding data fingerprint after the deciphering) embedding data cryptogram signature 172.
10. utilize the local version 172b (the embedding data fingerprint that calculate this locality) that embeds data cryptogram signature 172 with the identical known password signature algorithm computation that SDA100 is adopted.
11. the embedding data fingerprint 172b that this locality is calculated and the long-range embedding data fingerprint 172a of deciphering compare.If their differences, checking and read routine embed data 171 destroyed failures down in warning.
If what follow later is that the single step shown in Fig. 3 A is handled, then similar comparison procedure is carried out in password signature 174.Equally, be the modification of the two step Cipher Processing shown in Fig. 3 C as if what carry out, then similar comparison procedure is made in original file content password signature 175.
Fig. 6 is a process flow diagram, and it is comprehensively with respect to Fig. 2,3A, 3B, 3C, 4 and 5 processes that illustrate.Note that and to send the Public key 152 that is used for verifying the integrality that set distribution of document 15 has been installed by any device to UIA200, because it is not secret and can be used for more than one purposes.Public key can be embedded in the set distribution of document 170, and it can send to the user by unique file or message explicitly, perhaps, and can be by computing machine being installed automatically from network deposit mechanism (Verisign for example
TMCompany) obtains.
Fig. 7 is the process flow diagram of another group process that can adopt according to the present invention, wherein utilizes SDA100 to encrypt original file content 173a, 173b for unique special purpose system that this particular transaction calculates.SDA100 keeps the record of this unique private key, and sends corresponding unique Public key and set distribution of document 170 by distribution channel for distribution 300 to UIA200.UIA200 utilizes this Public key deciphering set distribution of document 170.For security reasons, had better not permanently this Public key of storage on the computing machine be installed.Alternatively, only allow this unique Public key be present in the random-access memory (ram) of computing machine during installation.This feasible distribution set distribution of document 170 in fact again.
Although describe the present invention with reference to various preferred embodiments, general insider can recognize that some change, substitute and revise is possible.The various uses that set distribution of document 15 is installed are shown at Fig. 8.After installation and by after the UIA checking, can be routinely embedding data and moving mounted set distribution of document 15 for 171 times to use never in any form.In order to ensure the licence unanimity, can move mounted set distribution of document together to confirm that any license terms of forming a part that embeds data 171 is observed with the licence coercive procedure.Also can be used as the input of certain virus checker embedding data 171 and password signature 172,174,175,176 (depending on the mode that makes up set distribution of document 170), thus can be by utilizing Public key 152 and the integrity checking of set distribution of document 15 being installed with the identical known password signature algorithm that SDA100 adopts.Each run has been installed set during distribution of document 15, can also be by it own or and checking load program checking shown in the service chart 5 together and read routine 400, tampering with a document with refusal does not allow the set of installation distribution of document 15 operations of being altered.Also can only use and embed data 171 to show to the user.
Method and system disclosed herein also can be used for upgrading in the set of the installation distribution of document of installing on the computing machine to existing.In this case, UIA200 and SDA100 will confirm to install the existing license state that set distribution of document 15 has been installed on the computing machine, then call method and system disclosed herein, this installation computing machine is made up, sends and installs the upgraded version that set distribution of document 15 has been installed.Can under user's request, call, perhaps can when UIA200 detects the redaction that can use original distribution of document 130, call upgrading ability of the present invention automatically.
The uniqueness of mounted set distribution of document 15 can be used for its operation is limited on the special-purpose CPU (central processing unit) (CPU) of installing in the computing machine.Identification to the CPU of this purpose can be carried out in 32,34 stages of data that collection is transferred to SDA100 by UIA200.
SDA100 disclosed herein and UIA200 only are not limited to install or upgrading is called when distribution of document 170 being installed.For example, under environments for computer games, can when arriving the somewhere of recreation, the user call SDA100 and UIA200, the user is provided additional function or other choice of level of buying recreation.
The disclosure does not presuppose UIA200 and does not have the additional intelligence that improves functionality of the present invention.For example, UIA200 can have and finds and discern the intelligence that individual digital license separately is installed on the computing machine, and this license is set up its identity, this for authorize relevant transaction all or part of be sufficient.This individual digital license and method of use thereof should meet the standard of having set up, and for example commercial heat is according to the Verisign of provider
TMCompany's accepted standard.In addition, UIA200 can have and searches and the intelligence of discriminating digit " reward voucher " license, this preferential property determines that the user has certain particular privilege, for example to the right of the exceptional price of certain software, perhaps a kind ofly determines its member's right in particular groups such as certain company.In addition, UIA200 answers that basis on location method of the present invention installs file earlier, and determines to embed data 171.If the information that UIA200 determines to exist the information that can influence transaction terms or exists expression user's possible interest for example to upgrade, UIA200 can send to SDA100 to this information, thereby suitably intermediary's transaction of SDA100, announcement are upgraded or the like.An exemplary like this is to check according to the word processing application software of the present invention's installation freely to upgrade to determine that this user is qualified, thereby the present invention can then enter installation.
In another group modification of the present invention, mounted set distribution of document 15 is files of the principle of a kind of employing Nortel algorithm mandate (NAN), this principle is open in 08/674, No. 037 patented claim of the U.S. to increase firm management certainly with the integrality that is used to himself.In first modification, (it has had the ability that self code that set distribution of document 15 is installed is used as the required input of suitable operation to runtime NAA algorithm, thereby and have under tamper condition a crushing ability that lost efficacy of forcing) range expansion of this input is copied to comprising in the storer that one or more data item constituted that is added by SDA100, for example total password signs 176.
In second modification, member can advance fartherly " to start counterfoil (launch stub) ", promptly extract and decipher the embedding data 171 of installing in the set distribution of document 15, and the license terms and the inspection clause that current environment found of (for example such as the dedicated cpu by certain physics Media Access Control address identification on the network card) on it are compared.According to the principle of Nortel algorithm mandate, " startup counterfoil " needn't " determine " whether will continue, and defeats the point of attack of ' hacker ' of security mechanism because this decision point is hope significantly.On the contrary, its can revise data according to normal program run so that only when the suitable environment of described data and each licence is corresponding program just continue to move.For first modification, should be particular case prebuild application program, because according to this technology co-pending, its suitable control stream is just imported data to original ' incorrect ' and is used into the correct licensc e data of application or its and simply derive and obtain ' correction ' data.
The present invention disclosed herein needn't change have installed installation form functional of set distribution of document 15, and only to its increase information and checking property.Then, exist the means that some can be changed the new mode that the effect that set distribution of document 15 is installed allows with the present invention.In a kind of modification, but can visiting the various execute forms or the visit of certain preset sequence, SIA100 can dynamically make up multi-form software routine, satisfy the program of specific user functions/price request with generation, and/or this program is on one's own initiative oneself being bundled into very special license terms.For example, under the Microsoft's Window environment, can embed different effects by the Different Dynamic chained library (DLLS) that optionally comprises.
In another kind of modification, the first execute form that begins of program file have built-in specific function and with the selection of licence binding, and SDA100 can refuse (may be to verify) and allows executable file show that the data of its required effect enter executable file.In another modification, SDA100 can utilize the routine that the specific program structure is had detailed support, so that the executable program that clearly is not designed to have a this modification of Xiang Xianyou increases variable code.
The illustrated various embodiment of the present invention are being the foundation stone of the installation and the security of software application in single " core " file set of certain particular file types.Yet method of the present invention can be applicable under the particular case certainly more than a file or more than a kind of file type.For example, use all relevant quiet files with install software and can receive embedding information, so that they all are that can verify and relevant with specific application and installation example.
Claims (17)
1. one kind is used for comprising step from the method for distributing computer to installation computing machine electronic distribution software application:
A. receive identifying information at described distributing computer;
B. at described distributing computer described identifying information is embedded in the described software application to form discernible software application;
C. be that described discernible software application generates the password signature;
D. described password signature is embedded in the described discernible software application to form discernible and software application that can verify; And
E. from described distributing computer described discernible and software application that can verify is sent to described installation computing machine.
2. the process of claim 1 wherein that the step of signing for described discernible software application generation password comprises step:
A. discernible software application " ed " is applied one-way hash function " hf " to generate hash result " edh ", wherein edh=hf (ed); And
B. utilize a cryptographic key keyed hash result " edh " to obtain the password signature.
3. the method for claim 2, wherein one-way hash function utilizes one of eap-message digest 5 (MD5) algorithm or secure hash algorithm (sha) to produce.
4. claim 2 or 3 method, wherein keyed hash result's " edh " step comprises and utilizes a public/private encryption function " ppef " and a special purpose system key " prk " keyed hash result " edh " to generate the step of password signature " edf ", wherein edf=ppef (prk, edh).
5. the method for claim 4 wherein utilizes one of RSA Algorithm, Robin algorithm, ElGamal algorithm to produce public/private encryption function " ppef ".
6. claim 1,2,3,4 or 5 method wherein connect distributing computer and computing machine are installed by the Internet.
7. claim 1,2,3,4,5 or 6 method, the identifying information that wherein said distributing computer place receives sends from described installation computing machine.
8. one kind receives from the method for the software application of distributing computer distribution electronically in that the computing machine place is installed, and comprises step:
A. receive software application discernible and that can verify from distributing computer, this discernible and software application that can verify have the identifying information that embeds therein and should be discernible and the password of the software application that can verify sign; And
B. at installation computing machine place this discernible and software application that can verify is installed.
9. the method for claim 8 wherein before the step that receives discernible and the software application that can verify from distributing computer, is installed computing machine and is sent identifying information to distributing computer.
10. claim 8 or 9 method wherein before the step that discernible and the software application that can verify are installed, are installed the integrality that computing machine is verified this software application.
11. the method for claim 10 is wherein installed the integrality that computing machine utilizes password signature verification software application.
12. one kind from distributing computer to the computing machine method used of distributing software electronically is installed, comprise step:
A. receive identifying information at described distributing computer;
B. among described distributing computer is embedded into described identifying information described software application to form discernible software application;
C. be that described discernible software application generates the password signature;
D. but described password signature is embedded in the described identification software application to form discernible and software application that can verify;
E. from described distributing computer described discernible and software application that can verify is transferred to described installation computing machine; And
F. described installation computing machine install described discernible and the checking software application.
13. the method for claim 12 wherein connects distributing computer and computing machine is installed by the Internet.
14. the method for claim 12 or 13, wherein the identifying information that receives at described distributing computer place sends from described installation computing machine.
15. a software dispatch computing machine is used for distributing discernible and software application that can verify to the user, it comprises:
A. the communication linkage between described software dispatch computing machine and the described user;
B. be used to store memory unit for the software application of distribution;
C. with the communication interface of described linking communications, be used to receive described user's recognition data, and be used for transmitting the described discernible and software application that can verify to described user;
D. be used for the data that receive from described installation computing machine are embedded into described software application to form the device of discernible software application;
E. be used to described discernible software application to generate the device of password signature; And
F. be used for the signature of described password is embedded into described discernible software application to form the described discernible and software application that can verify.
16. software installation computing machine that is used to receive by the discernible and software application that can verify of distributing computer distribution:
A. described software is installed the communication linkage between computing machine and the described software dispatch computing machine;
B. be used for storing identification data and be used to store the memory unit of install software application;
C. with the Computer Communications Interface of described linking communications, be used to transmit described recognition data, and be used to receive the described discernible and software application that can verify, this discernible and software application that can verify has the recognition data that is embedded in wherein and the password signature of this software application that can discern, can verify;
D. be used on described Computer Storage parts installing the device of the described discernible and software application that can verify.
17. one kind is used for distributing software dispatch the computing machine discernible and software application that can verify from distributing computer to computing machine is installed, it comprises:
A distributing computer;
An installation computing machine;
Communication linkage between described installation computing machine and the distributing computer;
Described distributing computer comprises:
A. the distributing computer memory unit is used to store the software application for distribution;
B. with the distributing computer communication interface of described linking communications, be used for transmitting software application discernible and that can verify, and be used for receiving recognition data from described installation computing machine to described installation computing machine;
C. be used for the recognition data that receives from described installation computing machine is embedded into described software application to form the device of discernible software application;
D. be used to described discernible software application to generate the device of password signature; And
E. be used for described password signature is embedded into described discernible software application to form discernible and software application that can verify;
Described installation computing machine comprises:
A., the Computer Storage parts are installed, are used to store described recognition data, and be used to store mounted software application;
B. with the installation Computer Communications Interface of described linking communications, be used for transmitting described recognition data, and be used for receiving the described discernible and software application that can verify from described distributing computer to described distributing computer; And
D. be used for installing the device of described software application at described installation Computer Storage parts.
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| US08/831,696 | 1997-04-10 | ||
| US08/831,696 US6108420A (en) | 1997-04-10 | 1997-04-10 | Method and system for networked installation of uniquely customized, authenticable, and traceable software application |
Publications (1)
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| CN1255209A true CN1255209A (en) | 2000-05-31 |
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|---|---|---|---|
| CN98804864A Pending CN1255209A (en) | 1997-04-10 | 1998-03-18 | Method and system for networked installation of uniquely customized, authenticable and traceable software applications |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6108420A (en) |
| EP (1) | EP0974084A1 (en) |
| JP (1) | JP2002503365A (en) |
| CN (1) | CN1255209A (en) |
| AU (1) | AU6492198A (en) |
| CA (1) | CA2285392A1 (en) |
| WO (1) | WO1998045768A1 (en) |
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- 1998-03-18 WO PCT/CA1998/000241 patent/WO1998045768A1/en not_active Application Discontinuation
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| CN100428256C (en) * | 2002-07-23 | 2008-10-22 | 索尼株式会社 | Information processing device, information processing method, and computer program |
| CN101238470B (en) * | 2005-08-10 | 2010-08-18 | 诺基亚公司 | Method for operating computing device, method for manufacturing software |
| CN1946222B (en) * | 2005-10-04 | 2011-08-31 | 乐金电子(中国)研究开发中心有限公司 | Software certification device for mobile communication terminal and method thereof |
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Also Published As
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| JP2002503365A (en) | 2002-01-29 |
| AU6492198A (en) | 1998-10-30 |
| CA2285392A1 (en) | 1998-10-15 |
| EP0974084A1 (en) | 2000-01-26 |
| US6108420A (en) | 2000-08-22 |
| WO1998045768A1 (en) | 1998-10-15 |
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